C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
25/126
C04B 41/86 (2006.01) C04B 41/50 (2006.01)
Patent
CA 1057486
ABSTRACT OF THE DISCLOSURE A method of producing cellular ceramic building materials from SiO2-containing starting materials is disclosed according to which method at least the bottom of a refractory mould is covered with a first layer of a glass material or a glass forming composition which does not expand when heated and which has a melting point of 800 - 1200°C, whereafter the- SiO2-containing starting material used for producing the cellular ceramic is applied in the form of a second layer on the first layer in the mould, whereafter the mould and its contents are heated under strongly ???diging conditions to 800 - 1000°C for a period of time of such duration that the ceramic starting material and the glass material sinter together and the ceramic starting material obtains a porous structure. - 1 -
221883
Engstrom Carl B. A.
Persson Gosta A.
Euroc Administration Ab
Na
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